Rear derailleur



FIG. 1 is a front side perspective view of a rear derailleur in accordance with my new design;

FIG. 2 is a rear side elevational view of the rear derailleur illustrated in FIG. 1;

FIG. 3 is a top plan view of the rear derailleur illustrated in FIGS. 1 and 2;

FIG. 4 is a front elevational view of the rear derailleur illustrated in FIGS. 1-3;

FIG. 5 is a bottom plan view of the rear derailleur illustrated in FIGS. 1-4;

FIG. 6 is a left side end elevational view of the rear derailleur illustrated in FIGS. 1-5; and,

FIG. 7 is a right side end elevational view of the rear derailleur illustrated in FIGS. 1-6. 

The ornamental design for a rear derailleur, as shown and described. 